Title:
THIN FILM AND ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/119203
Kind Code:
A1
Abstract:
The objective of the invention is to provide a thin film having a long light-emitting life span, and an organic electroluminescence element.
The above problem is solved by the thin film containing a light-emitting metallic complex and a host, the light-emitting metallic complex being represented by general formula (1) and satisfying formula (1), and the host being: a nonmetallic organic compound demonstrating phosphorescent light-emission at room temperature; a compound demonstrating heat activated-type delayed fluorescence; or a compound exhibiting an inverse intersystem crossing phenomenon between a singlet excitation state demonstrating a level higher than the lowest singlet excitation state, and a triplet excitation state demonstrating a level higher than the lowest triplet excitation state.
Inventors:
NAKAMURA YUTA (JP)
INOUE SATORU (JP)
NISHIZEKI MASATO (JP)
INOUE SATORU (JP)
NISHIZEKI MASATO (JP)
Application Number:
PCT/JP2016/084664
Publication Date:
July 13, 2017
Filing Date:
November 22, 2016
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
H01L51/50; C07F15/00; C09K11/06
Domestic Patent References:
| WO2009008357A1 | 2009-01-15 | |||
| WO2016194865A1 | 2016-12-08 |
Foreign References:
| JP2013060595A | 2013-04-04 | |||
| JP2004273389A | 2004-09-30 | |||
| JP2015017088A | 2015-01-29 | |||
| JP2014096557A | 2014-05-22 | |||
| JP2015065225A | 2015-04-09 | |||
| JP2016225486A | 2016-12-28 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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